CN108266268A - Engine - Google Patents
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- Publication number
- CN108266268A CN108266268A CN201611270045.6A CN201611270045A CN108266268A CN 108266268 A CN108266268 A CN 108266268A CN 201611270045 A CN201611270045 A CN 201611270045A CN 108266268 A CN108266268 A CN 108266268A
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- Prior art keywords
- oil
- cylinder
- engine
- fuel
- common rail
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
- F02B75/221—Multi-cylinder engines with cylinders in V, fan, or star arrangement with cylinder banks in narrow V-arrangement, having a single cylinder head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0412—Multiple heat exchangers arranged in parallel or in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3827—Common rail control systems for diesel engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1832—Number of cylinders eight
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1848—Number of cylinders twelve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1864—Number of cylinders sixteen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1868—Number of cylinders twenty
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D2041/3881—Common rail control systems with multiple common rails, e.g. one rail per cylinder bank, or a high pressure rail and a low pressure rail
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of engines, belong to mechanical engineering field.The engine includes：Cylinder block；The cylinder block includes multiple cylinders, and the cylinder diameter of the multiple cylinder is 175 millimeters；The multiple cylinder is symmetrically arranged in V-shape；The multiple cylinder specifically includes：8 cylinders, 12 cylinders, 16 cylinders, 18 cylinders or 20 cylinders；The engine is four-stroke engine, and each stroke in four stroke includes 190 millimeters~215 millimeters.Engine provided in an embodiment of the present invention is since each cylinder bore in the engine is 175 millimeters, and the small volume of the engine, quality is smaller, and power density is big, and therefore, the engine performance is preferable.Engine provided in an embodiment of the present invention is used for oil drilling.
Description
Technical field
The present invention relates to mechanical engineering field, more particularly to a kind of engine.
Background technology
Since founding of New, by pioneering an enterprise with painstaking efforts for petroleum machinery worker, China's oil drilling machine manufacturing industry from without to
Have, from small to large, achieve huge achievement and development, wherein engine is the power fountainhead of oil-well rig.
Engine currently used for oil-well rig is mainly based on 190 Engine Series.Gas in the Engine Series
Cylinder body is made of 12 or 8 cylinders in V-shape symmetric arrays, wherein the cylinder diameter of each cylinder is 190mm (millimeter).
In the implementation of the present invention, inventor has found that the prior art has at least the following problems：
Power density be measured engine performance an overall target, in particular to engine maximum power with starting
The mass ratio of machine, usual power density is directly proportional to engine performance namely power density is higher, and engine performance is better,
And 190 Engine Series volumes are larger, quality is bigger, and the power density of engine is relatively low, therefore, engine performance compared with
Difference.
Invention content
Cause engine performance poor to solve the problems, such as that the power density of the engine of the prior art is relatively low, the present invention
Embodiment provides a kind of engine.The technical solution is as follows：
An embodiment of the present invention provides a kind of engine, the engine includes：Cylinder block；
The cylinder block includes multiple cylinders, and the cylinder diameter of the multiple cylinder is 175 millimeters；
The multiple cylinder is symmetrically arranged in V-shape；
The multiple cylinder specifically includes：8 cylinders, 12 cylinders, 16 cylinders, 18 cylinders or 20 cylinders；Institute
Engine is stated as four-stroke engine, each stroke in four stroke includes 190 millimeters~215 millimeters.
Optionally, the engine further includes：It is arranged on the front end case of one end of the cylinder block；
The front end case is provided with lubricating oil pump, oil cooler, machine oil spin-on filter, oil filter, high temperature
Water pump, low temperature water pump, high-temperature water heat control valve, water at low temperature heat control valve, high temperature water filter and machine oil heat control valve；
The lubricating oil pump is connect respectively with the oil filter and machine oil spin-on filter；
The oil filter, the machine oil heat control valve, the oil cooler and the cylinder block are sequentially connected with；
The high-temperature water pump, the high-temperature water heat control valve and the high temperature water filter are sequentially connected with；
The high-temperature water heat control valve is connect with the cylinder block；
The low temperature water pump is connect with the oil cooler.
Optionally, the engine further includes：It is arranged on the charge air cooler case of the other end of the cylinder block；
The charge air cooler case is provided with level-one charge air cooler and two level charge air cooler, and whirlpool is equipped on the charge air cooler case
Take turns booster；
It is sequentially connected in the turbocharger, the level-one charge air cooler, two level charge air cooler and the cylinder block；
The high-temperature water pump, the cylinder block and the level-one charge air cooler are sequentially connected with；
The low temperature water pump, the cylinder block and the two level charge air cooler are sequentially connected with.
Optionally, the engine further includes：Crankcase and oil sump；
The crankcase is integrated with the cylinder block cast solid, the crankcase be planer type structure, the song
Axle box lower ending opening, the oil sump buckle the opening in the crankcase；
The crankcase is provided with oil circuit, and the side of the oil sump is provided with reinforcing rib.
Optionally, the engine further includes：High pressure common rail fuel injection system and electronic control system；
The high pressure co-rail system fuel injection system includes：Oil transfer pump, fuel preliminary filter, secondary fuel oil filter, high compression ignition
Oily common rail pump, distribution block, two common rail pipes and fuel injector,
The oil transfer pump, the fuel preliminary filter, the secondary fuel oil filter, the high pressure fuel common rail pump and the distribution
Block is sequentially connected, and the distribution block is also connect with described two common rail pipes, and each common rail pipe is connect with multiple fuel injectors；
Wherein, fuel oil is sucked out the oil transfer pump from fuel tank, successively by the fuel preliminary filter and the fuel oil
Enter the high pressure fuel common rail pump after fine filter filtering, the high pressure fuel common rail pump will enter after the fuel pressurization
The fuel oil is divided into two parts and respectively enters two common rail pipes, two common rails by the distribution block, the distribution block
Guan Jun is connected with multiple fuel injectors；
The electronic control system is connect with each fuel injector, for each fuel injector to be controlled to spray the combustion
Oil.
Optionally, the electronic control system include setting on electronic control unit ECU and each fuel injector the
The second solenoid valve set on one solenoid valve and the high pressure fuel common rail pump,
The ECU and first solenoid valve, for controlling the opening and closing of first solenoid valve；
The ECU is also connect with the second solenoid valve, for controlling the opening and closing of the second solenoid valve.
Optionally, on the distribution block setting there are two pressure sensor, described two pressure sensors respectively with it is described
Two common rail pipe connections, and described two pressure sensors are connect with the ECU.
Optionally, each cylinder includes cylinder body, and the engine further includes：It is arranged on dynamic on each cylinder
Power assembly of elements；
On a cylinder, the power unit component includes：Cylinder cap, water jacket, cylinder jacket, piston and connecting rod；
The cylinder cap is buckled on the cylinder body, and the cylinder is set in the cylinder body, is set in the cylinder jacket
There is the piston, the piston is connected with the connecting rod, and the water jacket is arranged between the cylinder cap and the cylinder jacket.
Optionally, the engine further includes：Gs-oil separator, the gs-oil separator respectively with the cylinder block, institute
Turbocharger is stated to connect with the oil sump, wherein, air enters from the air inlet of the engine, increases by the turbine
Depressor enters the cylinder block, and exhaust gas is generated after burning,
A part in the exhaust gas is discharged by the turbocharger from the exhaust outlet of the engine, the exhaust gas
In another part revealed between the piston and the cylinder jacket, into the cylinder block in and with machine oil be mixed into oil
Gas, the oil gas pass through the gs-oil separator, and the exhaust gas of separation enters the turbocharger, the machine oil of separation
Flow into the oil sump.
Optionally, the engine further includes：Sequentially connected oxidation catalytic converter, selective catalytic reduction SCR are urged
Change converter and amino molecule catcher,
A part in the exhaust gas passes through successively after the turbocharger is from the exhaust outlet discharge of the engine
Cross the oxidation catalytic converter, the selective catalytic reduction SCR catalytic converter and amino molecule catcher discharge.
Optionally, the engine includes shaft components, and the shaft components include bent axle and a camshaft；
The bent axle is connect with the connecting rod on each cylinder；
The camshaft uses sectional design, and the camshaft includes multiple dismountable cam shaft parts, and described convex
Wheel shaft puts camshaft in being.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
Engine provided in an embodiment of the present invention is since each cylinder bore in the engine is 175 millimeters, the hair
The small volume of motivation, quality is smaller, and power density is big, and therefore, the engine performance is preferable.And the engine is using dynamic
Power assembly of elements, modularization front end casing structure, super high pressure-charging two-stage ICS intercooler system, electronic control system, high-pressure common rail fuel oil
Spraying system, oil and gas separating system, SCR exhaust treatment systems can cause engine power performance and economic performance to increase, and
And U.S. EPA Tier4 stage emission index requests can be met.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1-1 is a kind of shaft side figure of motor head provided in an embodiment of the present invention；
Fig. 1-2 is a kind of shaft side figure of engine rear end provided in an embodiment of the present invention；
Fig. 2 is a kind of work of electronic control system control high pressure common rail fuel injection system provided in an embodiment of the present invention
Schematic diagram；
Fig. 3 is a kind of power unit modular construction schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of front end casing structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of charge air cooler casing structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 is a kind of engines tail gas processing system structure diagram provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1-1 is that the embodiment of the present invention provides a kind of shaft side figure of motor head, and referring to Fig. 1-1, which includes：
Cylinder block 11.
The cylinder block 11 includes multiple cylinders 111, and the cylinder diameter of multiple cylinders is 175 millimeters.
Multiple cylinder 111 is symmetrically arranged in V-shape.
Multiple cylinders 111 specifically include：8 cylinders, 12 cylinders, 16 cylinders, 18 cylinders or 20 cylinders；The hair
Motivation is four-stroke engine, and each stroke in four strokes includes 190 millimeters~215 millimeters.
In practical application, -1 and Fig. 1-2 are please referred to Fig.1, Fig. 1-2 is that the embodiment of the present invention provides a kind of engine rear end
Shaft side figure, multiple cylinder 111 is symmetrically arranged in V-shape to be referred to multiple cylinders 111 being divided into two groups, and every group of cylinder includes multiple
The cylinder of linear array arrangement, two groups of cylinders are symmetrical arranged with given cross-sectional, and shape forms an angle between two groups of cylinders, from side
Face sees that multiple cylinders 111 are in V-shape.Plane where vertical 12 bottom end of lower crankcase of the given cross-sectional, can be such as Fig. 1-1 and
Section L shown in Fig. 1-2.
In conclusion engine provided in an embodiment of the present invention is 175 due to each cylinder bore in the engine
Millimeter, the small volume of the engine, quality is smaller, and power density is big, and therefore, the engine performance is preferable.
Optionally, multiple cylinder specifically includes：8 cylinders, 12 cylinders, 16 cylinders, 18 cylinders or 20 gas
Cylinder.For example, when for 12 cylinders, -1 and Fig. 1-2 are please referred to Fig.1, which is divided into two groups of cylinders, every group of cylinder
Number is 6, and two groups of cylinders are symmetrical arranged with section L.
Optionally, which is four-stroke engine, and stroke includes 190 millimeters~215 millimeters.The four-stroke engine
Include intake stroke, compression stroke, expansion stroke and exhaust stroke, wherein, stroke refers to piston in cylinder from a pole
Extreme position (namely top dead centre) is to the distance of another extreme position (namely lower dead center).
In practical application, during engine operating environments difference, the general power that required engine is sent out is also different, Ke Yixuan
The engine of suitable cylinder number and stroke is selected, so that engine is suitble to different working environments.
Optionally, as Figure 1-1, engine further includes：Crankcase and oil sump 12；Crankcase is cast with cylinder block 11
It is integrally integrated, which is planer type structure, and the crankcase lower ending opening, oil sump buckles the opening in crankcase
Place.Wherein, oil circuit is provided in crankcase, without water route so that the structure of the engine is simple, lighter weight；Oil sump 12
Side setting reinforcing rib structure 121, the requirement of engine supported at three point can be met, and the intensity of engine can be increased
And rigidity.
Optionally, which further includes：High pressure common rail fuel injection system and electronic control system.Wherein, electronics control
System processed can control fuel injector in high pressure common rail fuel injection system to cylinder injection fuel oil；Fuel oil can be diesel oil.
Fig. 2 is a kind of work of electronic control system control high pressure common rail fuel injection system provided in an embodiment of the present invention
Schematic diagram, the fundamental diagram include：High-pressure oil passage a, low pressure oil way b and circuit c.It please refers to Fig.2, high pressure co-rail system combustion
Electronic fuel injection system includes：Oil transfer pump 23, fuel preliminary filter 22, secondary fuel oil filter 24, high pressure fuel common rail pump 25, distribution block 26,
Two common rail pipes 27 and fuel injector 28, wherein, fuel preliminary filter 22, oil transfer pump 23, secondary fuel oil filter 24, high pressure fuel common rail pump
25 are sequentially connected with distribution block 26, and distribution block 26 is also connect with two common rail pipes 27, each common rail pipe 27 and multiple fuel injectors 28
Connection.
In practical application, as shown in Fig. 2, fuel oil is sucked out oil transfer pump 23 from fuel tank 21, successively by fuel oil coarse filtration
Device 22 and secondary fuel oil filter filtering 24, the solid sundries such as the iron oxide, the dust that are contained in fuel oil are removed, prevent the solid sundries
Block the atomizer 281 in fuel injector 28；Fuel oil enters high pressure after fuel preliminary filter 22 and the filtering of secondary fuel oil filter 21
Fuel common-rail pump 25, the high pressure fuel common rail pump 25 can by fuel pressurization, such as by fuel pressurization to 180MPa (megapascal this
Card)；Fuel oil enters distribution block 26 after the supercharging of high pressure fuel common rail pump 25, which can be divided into high pressure fuel
Two parts respectively enter two common rail pipes 27, which is connected with multiple fuel injectors 28, and common rail pipe 27 is by high compression ignition
The high pressure fuel that oily common rail pump 25 provides is assigned in each fuel injector 28, which can pass through the oil spout in fuel injector 28
Mouth 281 sprays high pressure fuel into cylinder；Fuel injector 28 can be flowed back by extra fuel oil in fuel tank 21 after having sprayed fuel oil.
It should be noted that the number of the fuel injector of two common rail pipe connections is identical, and the total number of fuel injector should be with engine air
The number of cylinder is consistent, for example, the engine can have 8 cylinders, then two with connecting 4 fuel injectors respectively on common rail pipe.
The fuel atomization effect ejected from fuel injector can be made good by high pressure common rail fuel injection system, usual feelings
The better fuel oil of atomizing effect burns more abundant in the cylinder under condition, which directly affects the dynamic property of engine, economy
Property and a series of performance indicators such as emission performance, good atomizing effect be the premise for realizing efficient burning.Under normal circumstances, it fires
Oily atomizing effect is related with the injection pressure in fuel injector, 190 Engine Series that the prior art provides, using mechanical spray
Oil, injection pressure only have 120MPa, and engine provided in an embodiment of the present invention uses high pressure common rail fuel injection system, oil spout pressure
Power can reach 180MPa, and fuel atomization effect is good.
Optionally, as shown in Fig. 2, electronic control system includes electronic control unit (English：Electronic Control
Unit；Referred to as：ECU) 29 and each fuel injector 28 on the first solenoid valve 282 for setting and set in high pressure fuel common rail pump 25
The second solenoid valve 251 put, wherein, which connect with the first solenoid valve 282, for controlling the unlatching of the first solenoid valve 282
And closing, and then control the oil injection time and injection period of oil spout 28；The ECU29 is also connect with second solenoid valve 251, for controlling
The opening and closing of second solenoid valve 251 processed, and then control in two 27 intermediate fuel oil amounts of common rail pipe.It is provided in an embodiment of the present invention
Engine further includes camshaft speed sensor and crankshaft rotational speed sensor on camshaft and bent axle, the cam shaft rotation
Fast sensor is connected with the uniform ECU29 of crankshaft rotational speed sensor.ECU29 can pass through camshaft speed sensor and speed of crankshaft
The actual speed of sensor feedback, and then control being turned on and off for the first solenoid valve and second solenoid valve.
In practical application, as shown in Fig. 2, there are two pressure sensor 261, two pressure sensors for setting on distribution block 26
261 connect respectively with two common rail pipes 27, and two pressure sensors 261 are connect with ECU29.Pressure sensor 261 can be with
It will detect that fuel pressure feeds back to ECU29, when the fuel pressure in common rail pipe 27 does not reach preset fuel pressure threshold value
When, such as the fuel pressure threshold value is 180MPa, which can control high pressure fuel common rail pump 25 so that being arrived after fuel pressurization
Up to preset fuel pressure threshold value.The ECU29 can also control the start and stop of engine, the alarm of the rotating speed of engine, engine
Protection etc..
Optionally, each cylinder includes cylinder body, and engine further includes：The power unit component being arranged on each cylinder；
It please referring to Fig.3, Fig. 3 is a kind of power unit modular construction schematic diagram provided in an embodiment of the present invention, on a cylinder, power
Assembly of elements includes：Cylinder cap 31, water jacket 32, cylinder jacket 33, piston 34 and connecting rod 35.In practical application, cylinder cap 31 is buckled in cylinder
On body, cylinder jacket 33 is arranged in cylinder body, and piston 34 is provided in cylinder jacket, and piston 34 is connected with connecting rod 35, and water jacket 33 is set
Between cylinder cap 31 and cylinder jacket 33.Wherein, when piston 34 is located at top dead centre, it is more than 34 top surface of piston, 31 bottom surface of cylinder cap with
Lower formed space is known as combustion chamber；Connecting rod 35 is connected with bent axle, and the width d of connecting rod 35 and crank pin diameter phase in bent axle
Matching.
In the embodiment of the present invention, by setting power unit component so that the width of connecting rod depend on cylinder body internal diameter and
Be not the internal diameter of cylinder jacket, space provided to the increase of crank pin diameter, so as to improve the reinforcing degree of bent axle so as to
Improve the reinforcing degree of engine.
Optionally, head gasket is provided between cylinder body and cylinder cap.Setting head gasket be in order to fill up cylinder body and cylinder head it
Between microscopic void, ensure there is a good leakproofness at faying face, and then ensure that the sealing of combustion chamber prevents cylinder leakage tester and water
Cover leak.
Optionally, as Figure 1-1, which further includes：Front end case 13 and charge air cooler case 14, the front end case
13 are located at one end of cylinder block 11, and charge air cooler case 14 is located at the other end of cylinder block 11.
It please refers to Fig.4, Fig. 4 is a kind of front end casing structure schematic diagram provided in an embodiment of the present invention, the front end case 13
In be provided with lubricating oil pump 41, oil cooler 42, oil filter 44 and machine oil spin-on filter 45, high-temperature water pump 46a, low
Warm water pump 46b, high-temperature water heat control valve 47a, water at low temperature heat control valve 47b, high temperature water filter 48 and machine oil heat control valve 43.Wherein,
Lubricating oil pump 41 is connect respectively with oil filter 44 and machine oil spin-on filter 45 by the inner passage of front end case 13；Machine
Oil rectifier 44, machine oil heat control valve 43, oil cooler 42 and cylinder block 11 are sequentially connected by the inner passage of front end case 13
It connects；High-temperature water pump 46a, high-temperature water heat control valve 47a are sequentially connected with high temperature water filter 48 by the inner passage of front end case 13
It connects；High-temperature water heat control valve 47a is connect with cylinder block 11 by the inner passage of front end case 13；Low temperature water pump 46a, water at low temperature tune
Warm valve 47b is sequentially connected with oil cooler by the inner passage of front end case 13.Engine provided in an embodiment of the present invention,
The all parts set in front end case 13 can be connected by 13 inner passage of front end case, not had outside front end case 13
The channel that all parts is set to connect.
Optionally, as shown in Fig. 1-1, Fig. 1-2 and Fig. 4, be provided in the front end case 13 7 high pressure fuel common rail pumps 25,
Oil transfer pump 23, fuel preliminary filter 22, secondary fuel oil filter 24, ECU29 and damper 49, engine provided in an embodiment of the present invention lead to
Design front end case is crossed, makes the engine structure compact, simplifies the part installation on engine housing, and tie up in engine
Become when repairing simple and convenient.
Please refer to Fig. 5, Fig. 5 is a kind of charge air cooler casing structure schematic diagram provided in an embodiment of the present invention, the charge air cooler cover
Shell 14 is provided with level-one charge air cooler 51a, two level charge air cooler 51b and turbocharger mount 52, on turbocharger mount 52
Turbocharger 53 is installed.Wherein, turbocharger 53, level-one charge air cooler 51a and two level charge air cooler 51b by pipeline sequentially
Connection；High-temperature water pump 46a, cylinder block 11 and level-one charge air cooler 51a are sequentially connected with；In low temperature water pump 46b, cylinder block 11 and two level
Cooler 51b is sequentially connected with.Engine provided in an embodiment of the present invention uses super high pressure-charging two-stage ICS intercooler system, i.e. air from starting
After machine air inlet 521 enters, respectively by turbocharger 53, level-one charge air cooler 51a and two level charge air cooler 51b, pass through turbine
Booster 53 can cause the air inflow of air to increase, it is possible to increase the output power of engine, but when air enters whirlpool
Its temperature can be sharply increased after wheel booster 52, can be because too high temperature of air leads to engine damage if be directly entered in cylinder
The phenomenon that even dead fiery, therefore high temperature air needs to enter in level-one charge air cooler 51a and two level charge air cooler 51b, specifically, the height
Warm air passes through level-one charge air cooler 51a and two level charge air cooler 51b high temperatures water and water at low temperature respectively so that cooling effect is more preferable.
Optionally, -1, Fig. 1-2 and Fig. 5 engines are please referred to Fig.1 to further include：Gs-oil separator 15, gs-oil separator 15
It is connect respectively with cylinder block 11, turbocharger 53 and oil sump 12, air enters from the air inlet 531 of engine, passes through respectively
Cross turbocharger 53, level-one charge air cooler 51a and two level charge air cooler 51b.Enter cylinder block afterwards, exhaust gas is generated after burning, this is useless
A part in gas is discharged by turbocharger 53 from the exhaust outlet 532 of engine, and another part in the exhaust gas is from piston
And revealed between cylinder jacket, into cylinder block 11 and with machine oil mixing olefiant gas, oil gas passes through gs-oil separator, and separation is given up
Gas enters turbocharger 53, and the machine oil of separation flows into oil sump 12.
Engine provided in an embodiment of the present invention ensures to let out between piston and cylinder jacket by using oil and gas separating system
The exhaust gas of dew is not discharged from crankcase, further plays the effect of environmental protection.
Optionally, Fig. 6 is please referred to, Fig. 6 is that a kind of engines tail gas processing system structure provided in an embodiment of the present invention is shown
It is intended to.Wherein, which further includes：Sequentially connected oxidation catalytic converter 61, urea injector and 62, selective catalysis
Reduction (English：Selective catalytic reduction；Abbreviation SCR) catalytic converter 63 and amino molecule catcher 64.
Exhaust gas is after turbocharger supercharged, successively by oxidation catalytic converter 61, SCR catalytic converter 63 and amino molecule catcher
64 discharges.
In practical application, as shown in fig. 6, exhaust gas enters oxidation catalytic converter 61, carbon monoxide will be contained in exhaust gas
(CO) ingredient is oxidized to carbon dioxide (CO2)；Urea injector 62 is set in exhaust pipe, and the urea ejected can hydrolyze
For ammonia (NH3) and carbon dioxide (CO2)；Exhaust gas carries ammonia (NH at this time3) into SCR catalytic converter 63, it is catalyzed in SCR
In converter 63, ammonia (NH is utilized3) it can will contain nitrogen oxides (NO in exhaust gasx) ingredient be reduced to nitrogen (N2)；Exhaust
Pipe tail portion is additionally provided with amino molecule catcher 64, can capture the ammonia (NH of leakage3) molecule, and be oxidized as nitrogen
(N2)。
Engine provided in an embodiment of the present invention can meet Environmental by SCR exhaust treatment systems and protect
Office's (English：Environmental Protection Agency；Referred to as：EPA) the 4th grade (English：TIER 4) discharge refer to
Mark.
Optionally, which includes shaft components, and shaft components include bent axle and a camshaft.Wherein, bent axle with
Connecting rod connection on each cylinder；Camshaft uses sectional design, which includes multiple dismountable cam shaft parts, and
The camshaft puts camshaft in being.In offer of the embodiment of the present invention, which is made of several cam shaft parts, example
Such as, when engine has 8 cylinders, then the camshaft is made of 4 cam shaft parts, and each cam shaft part can dismantle or
Assembling, when camshaft failure, it is only necessary to dismantle and repair out of order cam shaft part so that when repairing the camshaft
It is at low cost and easy to maintenance.The camshaft puts camshaft in using so that the parts of engine are reduced, compact-sized.
190 Engine Series provided for clearer explanation engine provided in an embodiment of the present invention with the prior art
Difference, the embodiment of the present invention provides a kind of stroke as 190 millimeters of engine technology indexs when for mechanical drilling well, and with
The technical indicator for 190 Engine Series that the prior art provides is made comparisons, and refers to table 1.
Table 1
In practical application, mean effective pressure is bigger, and the acting ability of engine is stronger, can send out more power.
It can be obtained by table 1, engine provided by the invention is compared with 190 Engine Series, and displacement per cylinder reduces, but mean effective pressure
Power increases, and then can send out more power, and therefore, engine power performance provided in an embodiment of the present invention is good；The present invention
Compared with 190 Engine Series, fuel oil digestibility and specific oil consumption reduce the engine of offer, and maximum just repaiies phase increasing
Greatly, therefore, engine economy provided by the invention increases.
In conclusion engine provided in an embodiment of the present invention is 175 due to each cylinder bore in the engine
Millimeter, the small volume of the engine, quality is smaller, and the power density of the engine can increase, therefore, the engine performance compared with
It is good.And the engine is using power unit component, modularization front end casing structure, super high pressure-charging two-stage ICS intercooler system, electronics
Control system, high pressure common rail fuel injection system, oil and gas separating system and SCR exhaust treatment systems can cause engine power
Performance and economic performance increase, and can meet U.S. EPA Tier4 stage emission index requests.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of engine, which is characterized in that the engine includes：Cylinder block；
The cylinder block includes multiple cylinders, and the cylinder diameter of the multiple cylinder is 175 millimeters；
The multiple cylinder is symmetrically arranged in V-shape；
The multiple cylinder specifically includes：8 cylinders, 12 cylinders, 16 cylinders, 18 cylinders or 20 cylinders；The hair
Motivation is four-stroke engine, and each stroke in four stroke includes 190 millimeters~215 millimeters.
2. engine according to claim 1, which is characterized in that the engine further includes：It is arranged on the cylinder block
One end front end case；
The front end case be provided with lubricating oil pump, oil cooler, machine oil spin-on filter, oil filter, high-temperature water pump,
Low temperature water pump, high-temperature water heat control valve, water at low temperature heat control valve, high temperature water filter and machine oil heat control valve；
The lubricating oil pump is connect respectively with the oil filter and machine oil spin-on filter；
The oil filter, the machine oil heat control valve, the oil cooler and the cylinder block are sequentially connected with；
The high-temperature water pump, the high-temperature water heat control valve and the high temperature water filter are sequentially connected with；
The high-temperature water heat control valve is connect with the cylinder block；
The low temperature water pump is connect with the oil cooler.
3. engine according to claim 2, which is characterized in that the engine further includes：It is arranged on the cylinder block
The other end charge air cooler case；
The charge air cooler case is provided with level-one charge air cooler and two level charge air cooler, and turbine increasing is equipped on the charge air cooler case
Depressor；
It is sequentially connected in the turbocharger, the level-one charge air cooler, two level charge air cooler and the cylinder block；
The high-temperature water pump, the cylinder block and the level-one charge air cooler are sequentially connected with；
The low temperature water pump, the cylinder block and the two level charge air cooler are sequentially connected with.
4. engine according to claim 1, which is characterized in that
The engine further includes：Crankcase and oil sump；
The crankcase is integrated with the cylinder block cast solid, the crankcase be planer type structure, the crankcase
Lower ending opening, the oil sump buckle the opening in the crankcase；
The crankcase is provided with oil circuit, and the side of the oil sump is provided with reinforcing rib.
5. engine according to claim 1, which is characterized in that the engine further includes：High-pressure common rail fuel oil sprays
System and electronic control system；
The high pressure common rail fuel injection system includes：Oil transfer pump, fuel preliminary filter, secondary fuel oil filter, high pressure fuel common rail pump,
Block, two common rail pipes and fuel injector are distributed,
The oil transfer pump, the fuel preliminary filter, the secondary fuel oil filter, the high pressure fuel common rail pump and it is described distribution block according to
Secondary connection, the distribution block are also connect with described two common rail pipes, and each common rail pipe is connect with multiple fuel injectors；
Wherein, fuel oil is sucked out the oil transfer pump from fuel tank, successively by the fuel preliminary filter and the fuel oil refined filtration
Enter the high pressure fuel common rail pump after device filtering, described in the high pressure fuel common rail pump will enter after the fuel pressurization
Block is distributed, the fuel oil is divided into two parts and respectively enters two common rail pipes by the distribution block, and two common rail pipes are equal
It is connected with multiple fuel injectors；
The electronic control system is connect with each fuel injector, for each fuel injector to be controlled to spray the fuel oil.
6. engine according to claim 5, which is characterized in that
The electronic control system includes the first solenoid valve set on electronic control unit ECU and each fuel injector, with
And the second solenoid valve set in the high pressure fuel common rail pump,
The ECU and first solenoid valve, for controlling the opening and closing of first solenoid valve；
The ECU is also connect with the second solenoid valve, for controlling the opening and closing of the second solenoid valve.
7. engine according to claim 6, which is characterized in that pressure sensor there are two settings on the distribution block,
Described two pressure sensors are connect respectively with two common rail pipes, and described two pressure sensors connect with the ECU
It connects.
8. engine according to any one of claims 1 to 7, which is characterized in that each cylinder includes cylinder body, the hair
Motivation further includes：The power unit component being arranged on each cylinder；
On a cylinder, the power unit component includes：Cylinder cap, water jacket, cylinder jacket, piston and connecting rod；
The cylinder cap is buckled on the cylinder body, and the cylinder is set in the cylinder body, is set in the cylinder jacket
Piston is stated, the piston is connected with the connecting rod, and the water jacket is arranged between the cylinder cap and the cylinder jacket.
9. engine according to claim 5, which is characterized in that the engine further includes：Gs-oil separator, the oil
Gas separating device is connect respectively with the cylinder block, the turbocharger and the oil sump, wherein, air is from the engine
Air inlet enter, by the turbocharger enter the cylinder block, generate exhaust gas after burning,
A part in the exhaust gas is discharged by the turbocharger from the exhaust outlet of the engine, in the exhaust gas
Another part is revealed between the piston and the cylinder jacket, into the cylinder block in and with machine oil mixing olefiant gas, institute
Oil gas is stated by the gs-oil separator, the exhaust gas of separation enters the turbocharger, and the machine oil of separation flows into
The oil sump.
10. engine according to claim 9, which is characterized in that the engine further includes：Sequentially connected oxidation is urged
Change converter, selective catalytic reduction SCR catalytic converter and amino molecule catcher,
A part in the exhaust gas is after the turbocharger is from the exhaust outlet discharge of the engine, successively by institute
State oxidation catalytic converter, the selective catalytic reduction SCR catalytic converter and amino molecule catcher discharge.
11. engine according to claim 10, which is characterized in that the engine includes shaft components, the shafting
Component includes bent axle and a camshaft；
The bent axle is connect with the connecting rod on each cylinder；
The camshaft uses sectional design, and the camshaft includes multiple dismountable cam shaft parts, and the camshaft
Camshaft is put in.
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| CN109356744A (en) * | 2018-08-28 | 2019-02-19 | 中国北方发动机研究所(天津) | A kind of transmission case integrating device used suitable for high-power engine |
| CN109505703A (en) * | 2018-12-28 | 2019-03-22 | 潍柴动力股份有限公司 | A kind of engine |
| CN115234365A (en) * | 2022-08-02 | 2022-10-25 | 中船动力研究院有限公司 | High-speed engine for ship |
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| CN108266268B (en) | 2020-06-09 |
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